Fairies, pixies, selkies… Ireland's myths are awe-inspiring. …Unless they're trying to kill you.
When Fionn and his family are suddenly targeted by these creatures, they are struck by everything but awe.
Despite learning the truth about what happened to her mother, Aoife asks Sirona for her help against Grannus but the goddess refuses to fight. Meanwhile, Fionn falls for one of Grannus' traps…